Answer :
Step-by-step explanation:
x + y + z = 108
x/y = 2/3
y/z = 3/4
x = 2y/3
z = 4y/3
we use these 2 as substitute in the first equation
2y/3 + y + 4y/3 = 108
2y + 3y + 4y = 324
9y = 324
y = 36
x = 2y/3 = 2×36/3 = 2×12 = 24
z = 4y/3 = 4×36/3 = 4×12 = 48